Answer:
F
Step-by-step explanation:
Area of sector=pi*r^2*(theta/360) = pi*r^2*(45/360)
18*pi=pi*r^2*(1/8), r=12. Circumference is 24*pi
Area of triangles: 1/2 x b x h
area of square: l x w
Triangle
1/2 x 7 x 4= 14, but there are 3 of them so 42
Square: 7 x7 = 49
49 + 42 = 91
The decimal 68.145 written as a fraction is 68145/1000
Answer:20%
Step-by-step explanation:
Percentage decrease=(65.50-52.40)/65.50 x 100
Percentage decrease=13.1/65.50 x 100
Percentage decrease=0.2 x 100
Percentage decrease=0.2 x100
Percentage decrease=20